class_docstr: Play the move that would beat the last move of the opponent.
class_docstr_tok: ["Play","the","move","that","would","beat","the","last","move","of","the","opponent","."]
code: def learn_on_batch(self, samples):
      pass
  
file_path: ray/rllib/examples/policy/rock_paper_scissors_dummies.py
imports: import gymnasium
  import numpy
  import random
  from ray.rllib.policy.policy import Policy
  from ray.rllib.policy.view_requirement import ViewRequirement
label_desc: Use image node_id 3 for calling the BeatLastHeuristic obj's underlying member method code with example usage: obj.learn_on_batch(samples) without return types